L78S00 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

View to exact match

L78S00

2A POSITIVE VOLTAGE REGULATORS

STMicroelectronics 

L78S00 SERIES

ELECTRICAL CHARACTERISTICS FOR L78S18 (refer to the test circuits, Tj = 25 oC,

Vi = 26V, Io = 500 mA unless otherwise specified)

Symbol

Parameter

Vo Output Voltage

Vo Output Voltage

∆Vo Line Regulation

∆Vo

Id

∆Id

∆Id

∆Vo

∆T

eN

SVR

Vi

Ro

Isc

Iscp

Load Regulation

Quiescent Current

Quiescent Current Change

Quiescent Current Change

Output Voltage Drift

Output Noise Voltage

Supply Voltage Rejection

Operating Input Voltage

Output Resistance

Short Circuit Current

Short Circuit Peack Current

Test Conditions

Io = 1 A

Vi = 20.5 V

Vi = 20.5 to 30 V

Vi = 22 to 28 V

Io = 20 mA to 2 A

Io = 20 mA to 1A

Io = 20 mA Vi = 22 to 33 V

Io = 5 mA

Tj = -55 to 150 oC

B = 10Hz to 100KHz

f = 120 Hz

Io ≤ 1.5 A

f = 1KHz

Vi = 27 V

Min.

17.1

17

Typ.

18

18

-1

Max.

18.9

19

360

180

200

8

0.5

1

110

49

21

22

500

3

Unit

V

V

mV

mV

mV

mA

mA

mA

mV/oC

µV

dB

V

mΩ

mA

A

ELECTRICAL CHARACTERISTICS FOR L78S24 (refer to the test circuits, Tj = 25 oC,

Vi = 33V, Io = 500 mA unless otherwise specified)

Symbol

Parameter

Vo Output Voltage

Vo Output Voltage

∆Vo Line Regulation

∆Vo

Id

∆Id

∆Id

∆Vo

∆T

eN

SVR

Vi

Ro

Isc

Iscp

Load Regulation

Quiescent Current

Quiescent Current Change

Quiescent Current Change

Output Voltage Drift

Output Noise Voltage

Supply Voltage Rejection

Operating Input Voltage

Output Resistance

Short Circuit Current

Short Circuit Peack Current

Test Conditions

Io = 1 A

Vi = 27 V

Vi = 27 to 38 V

Vi = 30 to 36 V

Io = 20 mA to 2 A

Io = 20 mA to 1A

Io = 20 mA Vi = 8 to 25 V

Io = 5 mA

Tj = -55 to 150 oC

B = 10Hz to 100KHz

f = 120 Hz

Io ≤ 1.5 A

f = 1KHz

Vi = 27 V

Min.

23

22.8

Typ.

24

24

-1.5

Max.

25

25.2

480

240

250

8

0.5

1

170

48

27

23

500

3

Unit

V

V

mV

mV

mV

mA

mA

mA

mV/oC

µV

dB

V

mΩ

mA

A

8/21

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